1 files changed, 68 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/number_scientific.h b/intl/icu/source/i18n/number_scientific.h
new file mode 100644
index 0000000000..22140a09af
--- /dev/null
+++ b/intl/icu/source/i18n/number_scientific.h
@@ -0,0 +1,68 @@
+// © 2017 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+#ifndef __NUMBER_SCIENTIFIC_H__
+#define __NUMBER_SCIENTIFIC_H__
+
+#include "number_types.h"
+
+U_NAMESPACE_BEGIN namespace number {
+namespace impl {
+
+// Forward-declare
+class ScientificHandler;
+
+class U_I18N_API ScientificModifier : public UMemory, public Modifier {
+  public:
+    ScientificModifier();
+
+    void set(int32_t exponent, const ScientificHandler *handler);
+
+    int32_t apply(FormattedStringBuilder &output, int32_t leftIndex, int32_t rightIndex,
+                  UErrorCode &status) const override;
+
+    int32_t getPrefixLength() const override;
+
+    int32_t getCodePointCount() const override;
+
+    bool isStrong() const override;
+
+    bool containsField(Field field) const override;
+
+    void getParameters(Parameters& output) const override;
+
+    bool semanticallyEquivalent(const Modifier& other) const override;
+
+  private:
+    int32_t fExponent;
+    const ScientificHandler *fHandler;
+};
+
+class ScientificHandler : public UMemory, public MicroPropsGenerator, public MultiplierProducer {
+  public:
+    ScientificHandler(const Notation *notation, const DecimalFormatSymbols *symbols,
+                      const MicroPropsGenerator *parent);
+
+    void
+    processQuantity(DecimalQuantity &quantity, MicroProps &micros, UErrorCode &status) const override;
+
+    int32_t getMultiplier(int32_t magnitude) const override;
+
+  private:
+    const Notation::ScientificSettings fSettings;
+    const DecimalFormatSymbols *fSymbols;
+    const MicroPropsGenerator *fParent;
+
+    friend class ScientificModifier;
+};
+
+} // namespace impl
+} // namespace number
+U_NAMESPACE_END
+
+#endif //__NUMBER_SCIENTIFIC_H__
+
+#endif /* #if !UCONFIG_NO_FORMATTING */